#2F439D#2F439D

#2F439D is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.2% C 0.148 H 269.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F439D
RGB	rgb(47, 67, 157)
HSL	hsl(229, 54%, 40%)
HSV	hsv(229, 70%, 62%)
CMYK	cmyk(70.1%, 57.3%, 0%, 38.4%)
CIE-LAB	lab(31.93, 23.52, -51.39)
CIE-LCH	lch(31.93, 56.52, 294.59°)
OKLab	oklab(42.21% -0.0012 -0.148)
OKLCH	oklch(42.21% 0.148 269.5)
XYZ	xyz(9.2632, 7.0521, 32.7648)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F439D #9D892F

analogous

#2F7A9D #2F439D #522F9D

triadic

#2F439D #9D2F43 #439D2F

tetradic

#2F439D #9D2F7A #9D892F #2F9D52

square

#2F439D #9D2F7A #9D892F #2F9D52

split-complementary

#2F439D #9D522F #7A9D2F

monochromatic

#131B3F #212F6E #2F439D #435BC7 #7284D5

Accessibility & contrast

On white

8.71

#2F439D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F439D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F439D

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F439D	#FFFFFF	#000000	##FFFFFF
##2F439D	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f439d;
/* rgb */ color: rgb(47, 67, 157);
/* oklch */ color: oklch(42.2% 0.148 269.5);

Tailwind

colors: {
  custom: {
    50: '#7676bb',
    500: '#2f439d',
    950: '#000000',
  },
}

SCSS

$custom: #2f439d;
$custom-light: #7676bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f439d",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 229.091,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.4221,
    "c": 0.148,
    "h": 269.5
  },
  "luminance": 0.07053
}

Semantic roles & 50–950 ramp

primary

#2F439D

secondary

#BCAE6B

accent

#C34BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F439D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →